package com.zhoucs.annotation;
import java.lang.annotation.ElementType;
import java.lang.annotation.Target;

/**
 * @ClassName: Nullable
 * @Description: 标注参数、属性、方法可为 Null
 * @author: zhoucs
 */
@Target({ElementType.PARAMETER, ElementType.FIELD, ElementType.METHOD})
public @interface Nullable {

}
